(under the class definition) Apparatus which includes, in addition to a means to unearth a desired buried object, either (1) a means to scratch a reference line on the earth's surface; or (2) means trailing an unearthing implement to prepare the surface of the earth for the reception of the desired unearthed object, or to otherwise work the earth.
(1) Note. The additional earth disturbance is usually for the purpose of (1) removing undesired weeds (2) scratching, plowing or cultivating the earth or otherwise breaking it up to prepare for a subsequent crop (3) scraping the surface of the earth with a blade to provide a smooth surface after recovery of the desired object or (4) plowing a strip of earth adjacent the strip from which buried objects are to be recovered.
SEE OR SEARCH THIS CLASS, SUBCLASS:
4, for ground-engaging rollers which crush clods and/or flatten the ground.
5, for vertically disposed vegetation cutters which may incidently cut into the soil.
SEE OR SEARCH CLASS
111, Planting, 25+, for depositing and marking means and subclass 33 for an intermittent earth marking means.
172, Earth Working,
126+, for an earth-working device combined with an earth-marking means and subclasses 133+ for apparatus comprising diverse earth working tools.
